APA Style
Stallings,William. (2001).
Operating System .
USA.:
Prentice Hall,.
Chicago Style
Stallings,William.
Operating System.
USA.:
Prentice Hall,,
2001.
Book.
MLA Style
Stallings,William.
Operating System.
USA.:
Prentice Hall,,
2001.
Book.
Turabian Style
Stallings,William.
Operating System.
USA.:
Prentice Hall,,
2001.
Book.